muni shut down the west portal tunnel affecting lines into the city and shuttles were brought in for commuters. the services were back up and running by 10:30 a.m. cate caugiran, cbs 5. >> reporter: chief hayes telling me that three firefighters slightly injured but their injuries were not serious. this is all over the street. you have corks like this from the wine shop from champagne bottles that exploded from the heat. look at the windowsill. they had wine in the store exploded and through out on the sidewalk. you can see all those are corks sit there is behind that glass that got superheated. a the love damage here. they are -- a lot of damage here. they are still going through it. investigators will be here all night and keeping the area closed off to the public for the time being. live from west portal in mobile 5, ken bastida, cbs 5. >>> a fire in the south bay gutted a family home sending two people to the hospital with burns. neighbors had reported hearing popping noises. that may have been the ammunition that the homeowner says he stored in the home on carl tan avenue near u